Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.341 5.249/6.107 5.465 ± 0.831
ea02 1342 1342/1342 1342 ± 0.00004961 5.82 5.379/6.626 5.752 ± 1.062
ea05 1342 1342/1342 1342 ± 0.000008215 5.489 5.119/6.174 5.473 ± 0.8991
ea06 1342 1342/1342 1342 ± 0.000001599 4.879 4.818/5.431 4.853 ± 0.7417
ea07 1342 1342/1342 1342 ± 0.00003996 5.739 5.377/6.02 5.455 ± 0.9315
ea08 1342 1342/1342 1342 ± 0.00004273 6.079 5.669/6.914 5.995 ± 1.153
ea09 1342 1342/1342 1342 ± 0.00003028 3.796 3.359/5.687 4.44 ± 1.139
ea10 1342 1342/1342 1342 ± 0.00003664 5.642 5.165/6.368 5.632 ± 0.8146
ea11 1342 1342/1342 1342 ± 0 5.865 5.429/6.558 6.014 ± 0.5927
ea12 1342 1342/1342 1342 ± 0.000003198 5.633 5.359/6.543 5.648 ± 1.098
ea13 1342 1342/1342 1342 ± 0.00002626 5.885 5.759/6.372 5.873 ± 0.8401
ea14 1342 1342/1342 1342 ± 0.00002455 6.285 5.8/6.602 5.747 ± 1.197
ea15 1342 1342/1342 1342 ± 0.000001177 5.391 5.165/6.196 5.446 ± 0.9915
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003986 5.933 5.585/6.836 5.918 ± 1.048
ea18 1342 1342/1342 1342 ± 0.00003113 5.06 4.837/5.76 4.972 ± 0.911
ea19 1342 1342/1342 1342 ± 0.00001137 5.698 5.477/6.411 5.703 ± 0.9043
ea20 1342 1342/1342 1342 ± 0.00001248 5.93 5.737/6.791 5.929 ± 1.234
ea21 1342 1342/1342 1342 ± 0.00001597 5.493 5.334/6.249 5.466 ± 0.9161
ea22 1342 1342/1342 1342 ± 0.00004121 5.43 5.151/6.473 5.538 ± 0.9715
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.406 5.391/5.449 5.401 ± 0.1399
ea26 1342 1342/1342 1342 ± 0.00003438 5.655 5.563/6.613 5.763 ± 0.8992
ea27 1342 1342/1342 1342 ± 0.00004365 5.539 5.153/6.449 5.621 ± 0.9016
ea28 1342 1342/1342 1342 ± 0.00005346 6.527 5.513/6.692 5.848 ± 1.353
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002611 5.418 5.268/5.725 5.39 ± 0.4975
5 1342 1342/1342 1342 ± 0.00002726 5.401 5.201/5.573 5.312 ± 0.5371
6 1342 1342/1342 1342 ± 0.00002611 5.434 5.243/5.533 5.304 ± 0.5176
7 1342 1342/1342 1342 ± 0.00002611 5.393 5.164/5.527 5.285 ± 0.5017
8 1342 1342/1342 1342 ± 0.00002611 5.34 5.115/5.465 5.214 ± 0.5192
9 1342 1342/1342 1342 ± 0.00002611 5.612 5.423/5.846 5.477 ± 0.591
10 1342 1342/1342 1342 ± 0.00002554 6.052 5.824/6.158 5.99 ± 0.3591
11 1342 1342/1342 1342 ± 0.00002554 6.374 6.189/6.459 6.271 ± 0.3626
12 1342 1342/1342 1342 ± 0.00002554 6.546 6.2/6.636 6.435 ± 0.3745
13 1342 1342/1342 1342 ± 0.00002585 6.736 6.377/6.863 6.654 ± 0.3755
14 1342 1342/1342 1342 ± 0.00003719 6.374 5.976/6.896 6.42 ± 0.5242
15 1342 1342/1342 1342 ± 0.00002645 6.515 6.268/6.727 6.458 ± 0.5248
16 1342 1342/1342 1342 ± 0.00006102 3.494 3.306/3.667 3.503 ± 0.267
17 1342 1342/1342 1342 ± 0.00006104 3.563 3.402/3.767 3.584 ± 0.282
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
Start time
2024-06-11 23:00:27.465
End
2024-06-12 00:12:49.657
Duration
1:12:22.192
Note, WebLog generation is not included in the time.

CASA logs for stage 8